Home / 2,859,591,812.80-4,289,387,719.20-1,771,200,644.80

Finding the Fourth Proportional to 2,859,591,812.80, 4,289,387,719.20 and 1,771,200,644.80

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Solution

The fourth proportional to 2,859,591,812.80, 4,289,387,719.20 and 1,771,200,644.80 is: 2,656,800,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,591,812.80 : 4,289,387,719.20 = 1,771,200,644.80 : x
  2. Step 2: Convert to fraction form
    2,859,591,812.80/4,289,387,719.20 = 1,771,200,644.80/x
  3. Step 3: Cross multiply
    2,859,591,812.80x = 4,289,387,719.20 × 1,771,200,644.80
  4. Step 4: Simplify right side
    2,859,591,812.80x = 7,597,366,294,044,240,896
  5. Step 5: Solve for x
    x = 7,597,366,294,044,240,896/2,859,591,812.80
  6. Step 6: Final answer
    x = 2,656,800,967.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.